<template>
  <div id="app">
    <!-- 面包屑 -->
    <el-breadcrumb separator="/">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>数据统计</el-breadcrumb-item>
      <el-breadcrumb-item>数据报表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片区域  -->
    <el-card>
      <!-- 为 ECharts 准备一个定义了宽高的 DOM -->
      <div id="main" style="width: 750px; height: 400px"></div>
    </el-card>
  </div>
</template>

<script>
// 1、导入echarts
import * as echarts from 'echarts';
import _ from 'lodash';
export default {
  name: 'Report',
  data() {
    return {
      option: {
        title: {
          text: 'ECharts 入门示例',
        },
        tooltip: {},
        legend: {
          data: ['销量'],
        },
        xAxis: {
          data: ['衬衫', '羊毛衫', '雪纺衫', '裤子', '高跟鞋', '袜子'],
        },
        yAxis: {},
        series: [
          {
            name: '销量',
            type: 'bar',
            data: [5, 20, 36, 10, 10, 20],
          },
        ],
      },
    };
  },
  created() {},
  //   页面DOM渲染完毕
  async mounted() {
    var myChart = echarts.init(document.getElementById('main'));
    const { data: res } = await this.$http.get('reports/type/1');
    if (res.meta.status !== 200) {
      this.$message.error('获取折线图数据失败');
    }
    const result = _.merge(res.data, this.option);
    myChart.setOption(result);
  },
  methods: {},
};
</script>

<style>
</style>